Question

Gina is 9 years younger than her sister Bridgette two years ago Bridgette was twice as old as Gina how old is gina now

Answer 1

10 years old. because if bridgette was twice as old as gina two years ago, then bridgette was 18, now that two years passedshe is 20 so gina should be 10. but also if she was nine years younger then a there is a chance she is 11. so either 10 or 11 should be the answer.